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Question 1 In a class where the exam averages are normally distributed, the mean score is 75 and the standard deviation is 10.
Question 1 In a class where the exam averages are normally distributed, the mean score is 75 and the standard deviation is 10. If you want to find out the probability that a randomly picked student has scored 105 or above, what is the z-value that you should look up on the normal distribution table?